HEI
A useful material found in the environment is known as a
Natural resource
What causes volcanoes to erupt?
Movement of continental plates creating pressure that pushes magma to Earth's surface
The highest elevations in the United States are located here.
The Rocky Mountains
Which of the following officials has the greatest amount of executive power in the Canadian government?
The Prime Minister
What causes some areas of the Earth to be warmer than other areas?
tilt of the Earth's axis
It is unlikely that Earth will ever run out of this.
Plants
Day and night are caused by what?
Rotation of the Earth on its axis
Which of the four major regions of the United States was settled last by the U.S. citizens
The west
Canada's most important trading partner is who?
The United States
Water
The movement of new settlers and their culture into a new area is called what?
Colonization
What causes earthquakes?
Plates slide against one another, often at faults
The cultural diversity of the United States tends to be highest here.
Along the border with Mexico
Canada currently ranks first in the world in this.
Percentage of college and university graduates
Intense storms
Both deforestation and drilling oil wells can reduce what?
Biodiversity
One of the many ways that the process of deposition contributes to changing the Earth's surface includes this.
Creating beaches along the coastline
The forests of the Pacific Northwest are just one of the many different ____________ regions in the United States where many people work in the same industry.
Economic regions
The biggest environmental impact of clear-cutting Canada's boreal forests is most likely this.
Release of carbon into the atmosphere.
Which ecosystem usually supports thick forests of deciduous trees?
Temperate forest
Some chemicals used by farmers may harm the environment by causing this.
Pollution
Weathering and erosion impact human settlement patterns because as these processes break down landforms and rocks into smaller pieces, they also contribute to this.
Providing soil for agriculture
Many immigrants were likely drawn to the United States because of the individual rights and freedoms guaranteed by this.
The Constitution
The people who first made use of the abundant resources of southern Canada were members of this group.
the First Nations
Ecosystems can change over time because of physical processes or this.
Human activities